The Network Security means to protect data during their transmission over channel of networks similarly Internet Security also to protect data during their transmission over a collection of interconnected networks in all over the world. Cryptography is the way of hiding information during transmission over a cannel. There are lots of cryptographic algorithms available to protect our data from intruders.RSA also one of effective the public key cryptographic algorithm which needs time and memory. Many research papers submitted on this cryptographic algorithm. Each paper has different perspective.

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